Langer's Sudoku Assistant

4
5
2
7
1
8
6
9
3
1
3
6
2
9
4
7
8
5
7
8
9
6
3
5
2
4
1
1
6
7
5
8
9
2
3
4
3
5
2
6
4
1
8
7
9
4
9
8
3
2
7
5
1
6
9
7
    
   6
       
8
4
       
   6
       
3
2
    
      6
       
4
    
      6
       
3
9
2
7
5
    
      6
       
8
8
       
   6
       
2
1
       
   6
       
3
9
7
4

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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